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EGTB: win in 12 half-moves

# move score
1 Rh8 win in 11 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb4 draw
5 Rc8 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg8 draw
10 Kf2 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kg2 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh2 loss in 2 half-moves
17 Kh3 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 K3f4 loss in 1 half-moves
26 K3g4 loss in 1 half-moves
27 K3h4 loss in 1 half-moves
28 K5f4 loss in 1 half-moves
29 K5g4 loss in 1 half-moves
30 K5h4 loss in 1 half-moves